package cn.itcast.item.handle;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.time.LocalDate;
import java.time.LocalDateTime;

/**
 * 自定义元数据对象处理器
 *
 */
@Component
@Slf4j
public class MyMetaObjectHandle implements MetaObjectHandler {
    /**
     * 新增数据时公共字段填充
     * @param metaObject
     */
    @Override
    public void insertFill(MetaObject metaObject) {
        log.info("公共字段自动填充 [insert]...");
        metaObject.setValue("createTime", LocalDate.now());
        metaObject.setValue("updateTime", LocalDate.now());
    }

    /**
     * 更新数据时公共字段填充
     * @param metaObject
     */
    @Override
    public void updateFill(MetaObject metaObject) {
        log.info("公共字段自动填充 [update]...");
        metaObject.setValue("updateTime", LocalDate.now());
    }
}
